S-1121B40MC-N2ZTFG

Current - Output:	150mA
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Over Current
Control Features:	Enable
PSRR:	70dB (1kHz)
Current - Supply (Max):	65µA
Current - Quiescent (Iq):	1µA
Series:	S-1121
Voltage Dropout (Max):	0.26V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	4V
Voltage - Input (Max):	6.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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Introduction

The S-1121B40MC-N2ZTFG is a voltage regulator that is linear in nature. It is part of the PMIC (Power Management Integrated Circuits) family, and has a number of usage applications, as well as a specific working principle. In this article, we’ll explore both the application fields and working principles which this voltage regulator offers.

Application Fields

The S-1121B40MC-N2ZTFG is mainly applied for the purpose of voltage regulation. Like other voltage regulators, the purpose of this device is to provide a stable, consistent source of power, regardless of the fluctuations in an incoming signal. This is especially beneficial for circuits which require a steady voltage source, such as medical devices, home automation and other electrical applications.The S-1121B40MC-N2ZTFG is capable of providing a maximum output current of 40mA, and is also able to work with input power sources ranging from 4V to 25V. This makes it ideal for applications which require a wide range of voltages, and its low input current requirements also mean that it can be used in low-power, energy-saving circuits. What’s more, this voltage regulator is designed to operate in a temperature range from -40°C to +125°C, which makes it suitable for various travelling conditions.

Working Principle

The S-1121B40MC-N2ZTFG voltage regulator works by reducing the voltage supplied to a circuit, helping it maintain a constant, stable output. It does this by converting incoming unregulated power into a consistent voltage, which is supplied to the circuit. This ensures that the circuit’s output remains the same, regardless of any fluctuations in the input signal.The S-1121B40MC-N2ZTFG voltage regulator is based on a linear regulator design. This type of regulator is able to maintain a constant output voltage, by using resistors, the power transistor and emitter-follower transistor. The resistor creates an output voltage which is proportional to the current passing through it, while the power transistor and emitter-follower transistor act as amplifiers. This overall plugin allows the voltage regulator to handle much larger currents than would be possible with a simple resistor-based design.

Conclusion

The S-1121B40MC-N2ZTFG is a useful voltage regulator for applications which require a reliable source of power. In addition to its wide range of input voltage capabilities and its low input current requirements, its linear regulator design ensures that its output remains the same, no matter what the input signal is. This makes it ideal for a variety of applications, from medical equipment and home automation, to travelling gadgets, which can all benefit from its consistent voltage regulator capabilities. .

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